Hemisphere

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hemisphere \Hem"i*sphere\, n. [L. hemisphaerium, Gr. ?; ? half =
     ? sphere: cf. F. h['e]misph[`e]re. See {Hemi-}, and
     {Sphere}.]
     1. A half sphere; one half of a sphere or globe, when divided
        by a plane passing through its center.
        [1913 Webster]


  
     2. Half of the terrestrial globe, or a projection of the same
        in a map or picture.
        [1913 Webster]
  
     3. The people who inhabit a hemisphere.
        [1913 Webster]
  
              He died . . . mourned by a hemisphere. --J. P.
                                                    Peters.
        [1913 Webster]
  
     {Cerebral hemispheres}. (Anat.) See {Brain}.
  
     {Magdeburg hemispheres} (Physics), two hemispherical cups
        forming, when placed together, a cavity from which the air
        can be withdrawn by an air pump; -- used to illustrate the
        pressure of the air. So called because invented by Otto
        von Guericke at Magdeburg. Hemispheric

From WordNet (r) 2.0 [wn]:

  hemisphere
       n 1: half of the terrestrial globe
       2: half of a sphere
       3: either half of the cerebrum [syn: {cerebral hemisphere}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  33 Moby Thesaurus words for "hemisphere":
     ambit, arena, bailiwick, beat, border, borderland, circle, circuit,
     demesne, department, domain, dominion, field, fifty percent,
     fifty-fifty, half, half-and-half, judicial circuit, jurisdiction,
     march, mediety, moiety, orb, orbit, pale, precinct, province,
     realm, round, semicircle, semisphere, sphere, walk